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Finding the Fourth Proportional to 3,347,967.06, 4,619,998.35 and 1,820,060.82

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Solution

The fourth proportional to 3,347,967.06, 4,619,998.35 and 1,820,060.82 is: 2,511,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347,967.06 : 4,619,998.35 = 1,820,060.82 : x
  2. Step 2: Convert to fraction form
    3,347,967.06/4,619,998.35 = 1,820,060.82/x
  3. Step 3: Cross multiply
    3,347,967.06x = 4,619,998.35 × 1,820,060.82
  4. Step 4: Simplify right side
    3,347,967.06x = 8,408,677,985,299.65
  5. Step 5: Solve for x
    x = 8,408,677,985,299.65/3,347,967.06
  6. Step 6: Final answer
    x = 2,511,577.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.